Patent US1142779A successfully refreshed from Google Patents.
US1142779A
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Gas-saving appliance.
Assignee: ARTHUR A TRITT
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Filing: —
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Granted: 1915-06-08
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Expires: 1932-06-08
Abstract
No abstract record available.
Inventors
- 👤 Albert Ross Umbarger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:53
CPC Classifications
F; F02; F02M; F02M1/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7931; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86823; Y10T137/86863; Y10T137/86871; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1918-06-07 | 1918-12-07 | 1919-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-06-07 | 1922-12-07 | 1923-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-06-07 | 1926-12-07 | 1927-06-08 | $7700.00 | Window Closed / Lapsed |